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  2. Math Blaster for 1st Grade - Wikipedia

    en.wikipedia.org/wiki/Math_Blaster_for_1st_Grade

    Math Blaster for 1st Grade is a 1999 educational video game in a line of educational products originally created by Davidson & Associates and continued by Knowledge Adventure. The game was re-released in 2000 as Math Blaster Mission 2.

  3. Periodic graph (geometry) - Wikipedia

    en.wikipedia.org/wiki/Periodic_Graph_(Geometry)

    [1] [2] A Euclidean graph is uniformly discrete if there is a minimal distance between any two vertices. Periodic graphs are closely related to tessellations of space (or honeycombs) and the geometry of their symmetry groups , hence to geometric group theory , as well as to discrete geometry and the theory of polytopes , and similar areas.

  4. Periodic function - Wikipedia

    en.wikipedia.org/wiki/Periodic_function

    For set representing all notes of a major triad: [1 5 ⁄ 4 3 ⁄ 2] the LCD is 4 therefore T = 4 ⁄ f. For set representing all notes of a minor triad: [1 6 ⁄ 5 3 ⁄ 2] the LCD is 10 therefore T = 10 ⁄ f. If no least common denominator exists, for instance if one of the above elements were irrational, then the wave would not be periodic. [4]

  5. GeneXpert MTB/RIF - Wikipedia

    en.wikipedia.org/wiki/GeneXpert_MTB/RIF

    In a clinical study conducted the sensitivity of the MTB/RIF test on just 1 sputum sample was 92.2% for culture-positive TB; 98.2% for smear+ and culture-positive cases; and 72.5% for smear-negative, culture-positive cases, with a specificity of 99.2%. Sensitivity and higher specificity were slightly higher when 3 samples were tested. [10]

  6. Period (algebraic geometry) - Wikipedia

    en.wikipedia.org/wiki/Period_(algebraic_geometry)

    In mathematics, specifically algebraic geometry, a period or algebraic period [1] is a complex number that can be expressed as an integral of an algebraic function over an algebraic domain. The periods are a class of numbers which includes, alongside the algebraic numbers, many well known mathematical constants such as the number π .

  7. Moment (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Moment_(mathematics)

    In mathematics, the moments of a function are certain quantitative measures related to the shape of the function's graph.If the function represents mass density, then the zeroth moment is the total mass, the first moment (normalized by total mass) is the center of mass, and the second moment is the moment of inertia.

  8. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Oxygen (1s 2 2s 2 2p 4), fluorine (1s 2 2s 2 2p 5), and neon (1s 2 2s 2 2p 6) then complete the already singly filled 2p orbitals; the last of these fills the second shell completely. [ 39 ] [ 58 ] Starting from element 11, sodium , the second shell is full, making the second shell a core shell for this and all heavier elements.

  9. Periodical literature - Wikipedia

    en.wikipedia.org/wiki/Periodical_literature

    2 per year Triannually: Thrice per year: 3 per year Quarterly: Every quarter: 4 per year Bimonthly: Every 2 months: 6 per year Semi-quarterly: Twice per quarter: 8 per year Monthly: Every month: 12 per year Semi-monthly: Twice per month: 24 per year Biweekly, Fortnightly: Every two weeks: 26 per year Weekly: Every week: 52 per year Semi-weekly ...